Cirrus-logic CS4265 Instrukcja Użytkownika Pobierz pdf (Strona 49)

DS657F3 49

CS4265

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5

-0. 2

-0. 1

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

Frequency (normalized to Fs)

Amplitude dB

0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55

-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

Frequency (normalized to Fs)

Amplitude dB

Figure 24. DAC Double-Speed Transition Band Figure 25. DAC Double-Speed Passband Ripple

Figure 26. DAC Quad-Speed Stopband Rejection Figure 27. DAC Quad-Speed Transition Band

0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75

-60

-50

-40

-30

-20

-10

Amplitude (dB)

Frequency(normalized to Fs)

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

Amplitude (dB)

Frequency(normalized to Fs)

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5

-1. 5

-1

-0. 5

Frequency (normalized to Fs)

Amplitude dB

Figure 28. DAC Quad-Speed Transition Band Figure 29. DAC Quad-Speed Passband Ripple

0.4 0.45 0.5 0.55 0.6 0.65 0.7

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

Amplitude (dB)

Frequency(normalized to Fs)

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 55 56 57

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